[lang-ref] ( sequence_1_to_n ) ( bash )

@test "sequence 1 to n" {
	# seq 1 n

	# as array
	declare -a items=($(seq 1 3))

	[ ${#items[@]} -eq 3 ]
	[ "${items[0]}" = "1" ]
	[ "${items[1]}" = "2" ]
	[ "${items[2]}" = "3" ]
	[ "${items[*]}" = "1 2 3" ]

	# variable supported
	n=3
	declare -a items=($(seq 1 $n))
	[ ${#items[@]} -eq 3 ]

	# as sequence
	elems=()
	for i in $(seq 1 3)
	do
		elems+=("$i")
	done

	[ ${#elems[@]} -eq 3 ]
	[ "${items[*]}" = "1 2 3" ]
}

@test "sequence 1 to n alternative" {
	# ({1..3})
	# Note: this can be used with fixed value, ({1..$n}) does not work in array initialization
	declare -a items=({1..3})

	[ ${#items[@]} -eq 3 ]
	[ "${items[*]}" = "1 2 3" ]
}